Vertigo_angustior

<i>Vertigo angustior</i>

Vertigo angustior

Species of gastropod

Vertigo angustior, the narrow-mouthed whorl snail, is a species of minute land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Vertiginidae, the whorl snails.[3]

Subspecies
  • † Vertigo angustior intermedia Schlickum & Strauch, 1979

Quick Facts Narrow-mouthed whorl snail, Conservation status ...
Drawing: two views of a shell of Vertigo angustior

Description

The shell measures 1.6 to 2.0 mm (mean: 1.8 mm) in height and 0.9 1.05 mm (mean: 1 mm) in width. It is oblong ovoid with 4.5 to 5.35 whorls (mean 5). The aperture is sinistral and relatively small. The aperture edge is bent (indented) and slightly thickened and the aperture is slightly notched, the notch continuing outside as a spiral groove. The aperture bears 5-6 mainly short denticles: 2 parietal; 2 columellar; 1 palatal, the latter relatively long. The shell is brown to yellowish brown or horn coloured and has a fine growth striation.

Distribution

The species occurs in many countries in Europe and in Asia:[1]

Western Europe:

Central Europe:

Northern Europe: Denmark, Finland, Norway, Sweden

Eastern Europe: Belarus, Estonia, Latvia, Lithuania, Russian Federation, Ukraine

Southern Europe: Italy, Romania

Asia: Armenia, Azerbaijan, Georgia.

References

  1. [1]
    Moorkens, E.; Killeen, I.; Seddon, M. (2012). "Vertigo angustior". IUCN Red List of Threatened Species. 2012: e.T22935A16658012. doi:10.2305/IUCN.UK.2012-1.RLTS.T22935A16658012.en. Retrieved 19 November 2021.
  2. [2]
    Jeffreys J. G. 1830. A synopsis on the testaceous pneumonobrancheous Mollusca of Great Britain. Transactions of the Linnean Society of London 16(2): 323-392.
  3. [3]
    MolluscaBase eds. (2023). MolluscaBase. Vertigo angustior Jeffreys, 1830. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=426425 on 2023-02-07
  4. [4]
    2000-2007. Action plan for Vertigo angustior Archived 2007-11-07 at the Wayback Machine. UK Biodiversity Action Plan. Joint Nature Conservation Committee.
  5. [5]
    Byrne et al., 2009. http://www.npws.ie/en/media/NPWS/Publications/Redlists/RL2.pdf%5B%5D
  6. [6]
    "Recherche de sites par espèce : Invertébrés : Vertigo angustior (Vertigo angustior)". 2007. Archived from the original on 2007-10-01. Retrieved 2007-05-14.
  7. [7]
    "Vertigo angustior". 2005.
  8. [8]
    "Evropsky významné lokality v České republice" (in Czech). 2003. Archived from the original on 2007-06-09. Retrieved 2007-04-30.
  9. [9]
    "Red List of the molluscs (Mollusca) of the Czech Republic". 2006-07-14.
  10. [10]
    (in Czech) Dušek J., Hošek M. & Kolářová J. (2007) Hodnotící zpráva o stavu z hlediska ochrany evropsky významných druhů a typů přírodních stanovišť v České republice za rok 2004-2006. - Ochrana přírody, 62(5): appendix 5:I-IV.
  11. [11]
    Vertigo angustior - Polish Red Data Book of Animals

Further reading

  • Zofia Książkiewicz. January 2008. The narrow-mouthed whorl snail Vertigo angustior (Pulmonata: Gastropoda: Vertiginidae) - distribution and habitat disturbance in northwestern Poland.
  • Provoost, S.; Bonte, D. (Ed.) (2004). Animated dunes: a view of biodiversity at the Flemish coast [Levende duinen: een overzicht van de biodiversiteit aan de Vlaamse kust]. Mededelingen van het Instituut voor Natuurbehoud, 22. Instituut voor Natuurbehoud: Brussel, Belgium. ISBN 90-403-0205-7. 416, ill., appendices pp. Tentacle 16. 5–6.
  • The narrow-mouthed whorl snail (Vertigo angustior) (1014) Conservation Status Assessment Report[permanent dead link].
  • Sysoev, A. V. & Schileyko, A. A. (2009). Land snails and slugs of Russia and adjacent countries. Sofia/Moskva (Pensoft). 312 pp., 142 plates.
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